according to ČSN 050705: Educated workers and base welder training
according to ČSN EN 287-1: Welder testing – Fusion welding
according to ČSN EN ISO 14 732: Welding personal – Testing of welders for fusion welding
for following welding methods:
311 » oxyacetylene welding (OAW)
111 » shielded metal arc welding (MMA/SMAW)
131 » gas metal arc welding (MIG/GMAW)
135 » gas metal arc welding (MAG/GMAW)
136 » flux cored arc welding (MAG,/FCAW)
141 » gas tungsten arc welding (TIG/GTAW)
- according to ČSN EN ISO 13 585: Brazing – Welder testing
– B 321/08 copper soldering
- TPG 927 05 & TNV 755517
– Plastic welding Z-U/2.1